Research Article

Grouting Treatment of Water and Mud Inrush in Fully Weathered Granite Tunnel: A Case Study

Table 2

Test results of water inflow through the hole.

NumberDepth of the hole (m)Depth at which the water starts gushing (m)Initial water inflow (L/min)Initial water flow per extension meter (L/(min·m))Steady water inflow (L/min)Steady water flow per extension meter (L/(min·m))

ZJ-121NoNo waterNo waterNo waterNo water
ZJ-221NoNo waterNo waterNo waterNo water
ZJ-32015301.5251.25
ZJ-42015301.5251.25
ZJ-52015150.75100.5
ZJ-6211820.110.05
ZJ-7211680.1350.24